Repower

sidewinder16

Cadet
Joined
Jul 22, 2001
Messages
10
I currently have a 1971 mercury 135 hp outboard on a 15.5 foot thompson sidewinder, I am thinking about getting a new mercury 115 hp what kind of change should I expect a gain a loss what do you think.
 

crazyray2

Seaman Apprentice
Joined
Jul 27, 2001
Messages
49
Re: Repower

this is just a guess but I would think that your old 135 would be about the equal to new 115 the new motor is rated at prop and am sure you have lost a little to age.....bet it is within a mph or two of old moter....
 

mbb

Petty Officer 2nd Class
Joined
Apr 20, 2001
Messages
176
Re: Repower

Above is likely correct. When merc changed to propshaft rating the inline 6 140 became the 115.
 
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